<template>
	<view>
		<view class="smart-page-head">
			<view class="smart-page-head-title">checkbox多选框</view>
		</view>
		<view class="uni-padding-wrap uni-common-mt">
			<view class="uni-title uni-common-mt">默认样式</view>
			<view>
				<checkbox-group>
					<label>
						<checkbox value="cb1" checked="true" />选中
					</label>
					<label>
							<checkbox value="cb"/>未选中
					</label>
				</checkbox-group>
		</view>
		<view class="uni-title uni-common-mt">不同颜色和尺寸的checkbox</view>
		<view>
			<checkbox-group>
				<label>
					<checkbox value="cb1" checked="true" color="#FFCC33" style="transform:scale(0.7)" />选中
					</label>
					<label>
		<checkbox value="cb" color="#FFCC33" style="transform:scale(0.7)" />未选中
		</label>
		</checkbox-group>
		</view>
		</view>
		<view class="uni-padding-wrap">
			<view class="uni-title uni-common-mt">
				推荐展示样式
				<text>\n使用 uni-list 布局</text>
		</view>
		</view>
		<view class="uni-list">
			<checkbox-group @change="checkboxChange">
				<label class="uni-list-cell uni-list-cell-pd" v-for="item in items" :key="item.value">
		<view>
		<checkbox :value="item.value" :checked="item.checked" />
		</view>
		<view>{{item.name}}</view>
		</label>
		</checkbox-group>
	</view>
	</view>
</template>

<script>
	export default {
		data(){
			return {
				title:'checkbox 复选框',
				items: [{
						value: 'USA',
						name:'美国',
					},
					{
						value:'CHN',
						name:'中国',
						checked: 'true',
					},
					{
						value: 'BRA'
						name:'巴西'
					},
					{
						value: 'JPN'
						name:'日本'
					},
					{
						value: 'ENG'
						name:'英国'
					},
					{
						value:'FRA',
						name:'法国'
					},
				],
			}
		},
		methods:{
			checkboxChange:function(e){
				var item = this.items,
					values = e.detail.value;
				for(var i = 0, lenI = items.length;i < lenI; ++i){
					const item = itwma[i]
					if(values.index0f(item.value)>= 0){
						this.$set(item,'checked',true)
					}else{
						this.$set(item,'checked',false)
					}
				}
			}
		}
	}
</script>

<style>
	.uni-list-cell {
		justify-content: flex-start
	}
</style>